Help Me Please A repairman charges an inspection fee plus $20 per hour. A customer with a coupon for 40% off the inspection fee pays $110 for a 4-hour repair. How many hours are worked when a customer

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asked Oct 4, 2022 186k views

25 votes

Help Me Please

A repairman charges an inspection fee plus $20 per hour. A customer
with a coupon for 40% off the inspection fee pays $110 for a 4-hour repair.
How many hours are worked when a customer pays $90 without a coupon?

Mathematics
high-school

QueueHammer asked

by QueueHammer

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1 Answer

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$108.50 for the 30% off an 1 hour and 35 min without the coupon 155 x 0.3 = 46.5. 155-46.5=108.50

Kiril Mytsykov answered Oct 11, 2022

by Kiril Mytsykov

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